Expert Answers to Snowflake Exam DEA-C01 Questions

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Snowflake Certification SnowPro Advanced: Data Engineer Certification Exam

SnowPro Advanced: Data Engineer Certification Exam

Last Update May 7, 2024
Total Questions : 65

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Questions 4

A Data Engineer needs to ingest invoice data in PDF format into Snowflake so that the data can be queried and used in a forecasting solution.

..... recommended way to ingest this data?

Options:

Use Snowpipe to ingest the files that land in an external stage into a Snowflake table

Use a COPY INTO command to ingest the PDF files in an external stage into a Snowflake table with a VARIANT column.

Create an external table on the PDF files that are stored in a stage and parse the data nto structured data

Create a Java User-Defined Function (UDF) that leverages Java-based PDF parser libraries to parse PDF data into structured data

Discussion 0

Questions 5

Assuming a Data Engineer has all appropriate privileges and context which statements would be used to assess whether the User-Defined Function (UDF), MTBATA3ASZ. SALES .REVENUE_BY_REGION, exists and is secure? (Select TWO)

Options:

SHOW DS2R FUNCTIONS LIKE 'REVEX'^BYJIESION' IN SCHEMA SALES;

SELECT IS_SECURE FROM SNOWFLAKE. INFCRXATION_SCKZMA. FUNCTIONS WHERE FUNCTI0N_3CHEMA = 'SALES' AND FUNCTI CN_NAXE = •ftEVEXUE_BY_RKXQH4;

SELECT IS_SEC"JRE FROM INFOR>LVTICN_SCHEMA. FUNCTIONS WHERE FUNCTION_SCHEMA = 'SALES1 AND FUNGTZON_NAME = ' REVENUE_BY_REGION';

SHOW EXTERNAL FUNCTIONS LIKE ‘REVENUE_BY_REGION’IB SCHEMA SALES;

SHOW SECURE FUNCTIONS LIKE 'REVENUE 3Y REGION' IN SCHEMA SALES;

Discussion 0

Answer:

A, B

Explanation:

The statements that would be used to assess whether the UDF, MTBATA3ASZ. SALES .REVENUE_BY_REGION, exists and is secure are:

SHOW DS2R FUNCTIONS LIKE ‘REVEX’^BYJIESION’ IN SCHEMA SALES;: This statement will show information about the UDF, including its name, schema, database, arguments, return type, language, and security option. If the UDF does not exist, the statement will return an empty result set.
SELECT IS_SECURE FROM SNOWFLAKE. INFCRXATION_SCKZMA. FUNCTIONS WHERE FUNCTI0N_3CHEMA = ‘SALES’ AND FUNCTI CN_NAXE = •ftEVEXUE_BY_RKXQH4;: This statement will query the SNOWFLAKE.INFORMATION_SCHEMA.FUNCTIONS view, which contains metadata about the UDFs in the current database. The statement will return the IS_SECURE column, which indicates whether the UDF is secure or not. If the UDF does not exist, the statement will return an empty result set. The other statements are not correct because:
SELECT IS_SEC"JRE FROM INFOR>LVTICN_SCHEMA. FUNCTIONS WHERE FUNCTION_SCHEMA = ‘SALES1 AND FUNGTZON_NAME = ’ REVENUE_BY_REGION’;: This statement will query the INFORMATION_SCHEMA.FUNCTIONS view, which contains metadata about the UDFs in the current schema. However, the statement has a typo in the schema name (‘SALES1’ instead of ‘SALES’), which will cause it to fail or return incorrect results.
SHOW EXTERNAL FUNCTIONS LIKE ‘REVENUE_BY_REGION’ IB SCHEMA SALES;: This statement will show information about external functions, not UDFs. External functions are Snowflake functions that invoke external services via HTTPS requests and responses. The statement will not return any results for the UDF.
SHOW SECURE FUNCTIONS LIKE ‘REVENUE 3Y REGION’ IN SCHEMA SALES;: This statement is invalid because there is no such thing as secure functions in Snowflake. Secure functions are a feature of some other databases, such as PostgreSQL, but not Snowflake. The statement will cause a syntax error.

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Questions 6

Given the table sales which has a clustering key of column CLOSED_DATE which table function will return the average clustering depth for the SALES_REPRESENTATIVEcolumn for the North American region?

Questions 6